package com.heifei

/**
 * @author caizhengjun01@gmail.com
 * @date 2020/8/4 5:07 下午
 */
object TestMain1 {
  def main(args: Array[String]): Unit = {
    //val student = new Student()
    //println(student.toString)

    val s: Student = new Student

    println(s)

    val student: Student = new Student
    //println(student.id)

    //student.id = "u10002"
    student.age = 19

    println(student.age)
  }
}
